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Violectric HPA V281 - Vorsprung durch Balanced - Page 12

post #166 of 2554

noise and crosstalk values look quite inferior to V200 as well the damping factor.

but you can't only rely on specs values.Listening tests are the crucial part.

I hope to have a chance soon with the V281 ;-)

 

What's the power output @300 load?? 

 

thanks!

post #167 of 2554
Quote:
Originally Posted by fradoca View Post

 

What's the power output @300 load?? 

well, at least double that at 600 ohm, 4440mW doing a linear calculation

 

what i'm wondering...

 

is the v220 upgradable to the v281? like one buys the v220 and than sends it back for an upgrade to v281?

post #168 of 2554
At those values, a damping factor of 500 or 600 doesn't make any difference, same for the noise values, you woildn't be able to hear any difference, it's way below human treshold. The power is where it's at...but I'll live happily with my V200.
post #169 of 2554

As Xenophon says, those damping factor values or noise and crosstalk dont make a difference between the newer and the v200, because -90db is dead silent.

 

Also, if im not wrong, V281 works in SE as the V220 with those values (you got 2 in 1 amps :D)

post #170 of 2554

Some words about noise and crosstalk which may be puzzling on V281.
 

As there are 4 amps inside V281 for balanced operation the noise figure suffers by 6 dB.

This is normal !!
Because on the other hand this amp is twice as powerful and you may reduce the volume by 6 dB to have the same volume like a SE amp.

Take a look at the dynamic range (129 dB) which is exactly the same on all amps.

 

The push-pull amp architecture of V281 is also responsible for the doubled output impedance compared to V220.

Double as much amps = twice output impedance.

 

Always keep in mind that inside V281 there are two SE amps with the technical data of V220 !

 

About crosstalk: everything lower than -80 dB is more than any source can deliver !!

 

@ roskodan:

Theoretically it is possible to upgrade the V220 to V281.

Take a look at the inside pictures somewhere here in the post.

The upper amp PCB, a different font panel PCB, the 4-pin socket and a couple of cables are making the difference.

 

Fried

post #171 of 2554
Quote:
Originally Posted by fdg View Post
 

Some words about noise and crosstalk which may be puzzling on V281.
 

As there are 4 amps inside V281 for balanced operation the noise figure suffers by 6 dB.

This is normal !!
Because on the other hand this amp is twice as powerful and you may reduce the volume by 6 dB to have the same volume like a SE amp.

Take a look at the dynamic range (129 dB) which is exactly the same on all amps.

 

The push-pull amp architecture of V281 is also responsible for the doubled output impedance compared to V220.

Double as much amps = twice output impedance.

 

Always keep in mind that inside V281 there are two SE amps with the technical data of V220 !

 

About crosstalk: everything lower than -80 dB is more than any source can deliver !!

 

@ roskodan:

Theoretically it is possible to upgrade the V220 to V281.

Take a look at the inside pictures somewhere here in the post.

The upper amp PCB, a different font panel PCB, the 4-pin socket and a couple of cables are making the difference.

 

Fried

 

Nice, also, when will the shipments start?

post #172 of 2554

also the power figures top at 100ohm so the new 70ohm lcd2 and 110ohm lcd3  kind of fit right there, also 4440mW for the hd800 looks interesting, not to mention the world record :cool:

 

Quote:
Originally Posted by fdg View Post
 

Please take a closer look to the V281 data @ 600 Ohm.
40,2 Vrms looks like world record ;-))

which is kind of dangerous :3

post #173 of 2554

HD800s dont need so much power, they benefict directly from the very black background and low distorsion, but HD800s is good in SE mode. For me the XLR output is a perfect match for all the orthos and the K1000.

 

Anyway, I will test SE vs Balanced with the LCD-2, LCD-X, LCD-3, HE-500, HE-6 and HD800s.

post #174 of 2554

you have to look at it like this

 

250mW, could suffice for the hd800

 

but it's not the same if you deliver the 250mW with an amp like the v200 that tops at 18.5Veff or a v281 that can do 40,2Veff in balanced mode

 

the v281 will probably do it in class A operation :cool: and have a much higher peak current capability, which i found benefits the sound greatly

post #175 of 2554

@ Megalomaniak
 

we will ship the first units to registered customers end of June / beginning of July

 

... and as far as I remember you are among these ;-))

post #176 of 2554
Quote:
Originally Posted by roskodan View Post
 

you have to look at it like this

 

250mW, could suffice for the hd800

 

but it's not the same if you deliver the 250mW with an amp like the v200 that tops at 18.5Veff or a v281 that can do 40,2Veff in balanced mode

 

the v281 will probably do it in class A operation :cool: and have a much higher peak current capability, which i found benefits the sound greatly

 

Nice, anyway, I will listen that by myself :P

 

Quote:
Originally Posted by fdg View Post
 

@ Megalomaniak
 

we will ship the first units to registered customers end of June / beginning of July

 

... and as far as I remember you are among these ;-))

 

Great!! Almost by my birthday hahah.

post #177 of 2554
Quote:
Originally Posted by fdg View Post

 

@ Megalomaniak

 

we will ship the first units to registered customers end of June / beginning of July


 

... and as far as I remember you are among these ;-))


Come on, Fried, sends ,

and it is a birthday I have tomorrow,

 and you did not want me to sell V281 in Munich.:normal_smile :

post #178 of 2554

Where can you pre-order this in europe?

post #179 of 2554

pm sent

post #180 of 2554

Paid, cant wait!

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